Abstract
Macrofungal explorations undertaken to several Sal (Shorea robusta) dominated tropical forests of West Bengal and Jharkhand (India) yielded various wild mushrooms. Studies on these collections revealed an interesting and novel taxon of Lactifluus subg. Lactariopsis which is proposed herein as Lactifluus tropicalis. The new species is presented with both morphological and molecular data and is most closely related to L. leoninus, a species described from Papua New Guinea.
References
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<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Bera, I. & Das, K. (2019) One new species and two new records in the <em>Lactifluus volemus</em> complex from India, <em>Nordic Journal of Botany</em> 37 (10). https://doi.org/10.1111/njb.02483</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Clark, K., Karsch-Mizrachi, I., Lipman, D.J., Ostell, J. & Sayers, E.W. (2016) GenBank. <em>Nucleic Acids Research</em> 44: D67–D72. https://doi.org/10.1093/nar/gkv1276</span></span></span></p>
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<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">De Crop, E., Delgat, L., Nuytinck, J., Halling, R.E. & Verbeken, A. (2021) A short story of nearly everything in <em>Lactifluus </em>(<em>Russulaceae</em>). <em>Fungal Systematics and Evolution</em> 7 (1): 133–164. https://doi.org/10.3114/fuse.2021.07.07</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">De Crop, E., Nuytinck, J., Van de Putte, K., Wisitrassameewong, K., Hackel, J., Stubbe, D., Hyde, K.D., Roy, M., Halling, R.E., Moreau, P.-A., Eberhardt, U. & Verbeken, A. (2017) A multi-gene phylogeny of<em> Lactifluus</em> (Basidiomycota, Russulales) translated into a new infrageneric classification of the genus. <em>Persoonia</em> 38: 58–80. https://doi.org/10.3767/003158517X693255</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Drummond, A.J., Ashton, B., Buxton, S., Cheung, M., Cooper, A., Heled J, Kearse, M., Moir, R., Stones-Havas, S., Sturrock, S., Thierer, T. & Wilson, A. (2010) Geneious v5.1. Available from: https://www.geneious.com (accessed 19 September 2022)</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Duque Barbosa, J.A., Delgat, L., Galváo Elias, S., Verbeken, A., Neves, M.A. & Carvalho Jr, A.A.D. (2020) A new section, <em>Lactifluus</em> section <em>Neotropicus</em> (Russulaceae), and two new <em>Lactifluus</em> species from the Atlantic Forest, Brazil. <em>Systematics and biodiversity</em> 18 (4): 347–361.</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Edler, D., Klein, J., Antonelli, A. & Silvestro, D. (2021) raxmlGUI 2.0: a graphical interface and toolkit for phylogenetic analyses using RAxML. <em>Methods in Ecology and Evolution</em> 12: 373–377. https://doi.org/10.1111/2041-210X.13512</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Gardes, M. & Bruns, T.D. (1993) ITS primers with enhanced specificity for basidiomycetes-application to the identification of mycorrhizae and rusts. <em>Molecular Ecology</em> 2: 113–118. https://doi.org/10.1111/j.1365-294X.1993.tb00005.x</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Hall, T.A. (1999) BioEdit: a user-friendly biological sequence alignment editor and analysis program for windows 95/98/NT. <em>Nucleic Acids Symposium Series</em> 41: 95–98.</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Heilmann-Clausen, J., Verbeken, A. & Vesterholt, J. (1998) The genus <em>Lactarius</em> Vol. 2 – Fungi of Northern Europe. Svampetryk: Danish Mycological Society, Denmark.</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Katoh, K., Rozewicki, R. & Yamada, K.D. (2019) MAFFT online service: multiple sequence alignment, interactive sequence choice and visualization. <em>Briefings in Bioinformatics</em> 20 (4): 1160–1166. https://doi.org/10.1093/bib/bbx108</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Kõljalg, U., Nilsson, R.H., Abarenkov, K., Tedersoo, L., Taylor, A.F.S., Bahram, M., Bates, S.T., Bruns, T.D., Bengtsson-Palme, J., Callaghan, T.M., Douglas, B., Drenkhan, T., Eberhardt, U., Duenas, M., Grebenc, T., Griffith, G.W., Hartmann, M., Kirk, P.M., Kohout, P., Larsson, E., Lindahl, B.D., Lucking, R., Martin, M.P., Matheny, P.B., Nguyen, N.H., Niskanen, T., Oja, J., Peay, K.G., Peintner, U., Peterson, M., Poldmaa, K., Saag, L., Saar, I., Schuβler, A., Scott, J.A., Sené, C., Smith, M.E., Suija, A., Taylor, D.L., Telleria, M.T., Weiβ, M. & Larsson, K.H. (2013) Towards a unified paradigm for sequence-based identification of Fungi. <em>Molecular ecology </em>22: 5271–5277. https://doi.org/10.1111/mec.12481</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Kornerup, A. & Wanscher, J.H. (1978) <em>Methuen handbook of colour</em>, 3<sup>rd</sup> Edition. Methuen, London, 252 pp.</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Kropp, B.R. (2016) Russulaceae in American Samoa: new species and further support for an Australasian origin for Samoan ectomycorrhizal fungi. <em>Mycologia</em> 108 (2): 405–413.</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Kumar, S., Stecher, G. & Tamura, K. (2016) MEGA7: Molecular Evolutionary Genetics Analysis version 7.0 for bigger datasets. <em>Molecular Biology and Evolution </em>33: 1870–1874. https://doi.org/10.1093/molbev/msw054</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Lanfear, R., Frandsen, P.B., Wright, A.M., Senfeld, T. & Calcott, B. (2017) PartitionFinder 2: new methods for selecting partitioned models of evolution for molecular and morphological phylogenetic analyses. <em>Molecular Biology and Evolution</em> 34 (3): 772–773. https://doi.org/10.1093/molbev/msw260</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Lee, H., Wissitrassameewong, K., Park, M.S., Fong, J.J., Verbeken, A., Kim, C. & Lim, Y.W. (2021) Taxonomic Revision of the Genus <em>Lactifluus</em> (Russulales, Basidiomycota) of South Korea. <em>Mycobiology</em>. https://doi.org/10.1080/12298093.2021.1943812</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Liu, Y.L., Whelen, S. & Hall, B.D. (1999) Phylogenetic relationships among ascomycetes: evidence from an RNA polymerase II subunit. <em>Molecular Biology and Evolution</em> 16: 1799–1808. https://doi.org/10.1093/oxfordjournals.molbev.a026092</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Matheny, P.B. (2005) Improving phylogenetic inference of mushrooms with RPB1 and RPB2 nucleotide sequences (<em>Inocybe</em>, Agaricales). <em>Molecular Phylogenetics and Evolution</em> 35: 1–20. https://doi.org/10.1016/j.ympev.2004.11.014</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Miller, S.L., Aime, M.C. & Henkel, T.W. (2012) <em>Russulaceae</em> of the Pakaraima Mountains of Guyana 2. New species of <em>Russula</em> and <em>Lactifluus</em>. <em>Mycotaxon</em> 121: 233–253. https://doi.org/10.5248/121.233</span></span></span></p>
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